How much is Mega Diancie ex worth?

It depends on the printing. The Ascended Heroes Special Illustration Rare (#282) sells for about $38.59, and the cheapest printing, the Phantasmal Flames Double Rare (#41), for about $0.53 (TCGplayer market prices, Oct 12, 2026).

How many Mega Diancie ex cards are there?

3 cards: Ascended Heroes #282 (Special Illustration Rare), Ascended Heroes #267 (Mega Attack Rare), and Phantasmal Flames #41 (Double Rare).

Which Mega Diancie ex is the rarest?

Of the printings we have measured odds for, Ascended Heroes #282 (Special Illustration Rare) is the hardest to pull: about 1 in 1,528 packs, assuming every card of its rarity is equally likely.

What set is Mega Diancie ex in?

Ascended Heroes (Jan 30, 2026) and Phantasmal Flames (Nov 14, 2025).

Mega Diancie ex cards: every printing, price, and odds

3Printings2 sets
$38.59Most valuableAscended Heroes #282
$0.53CheapestPhantasmal Flames #41
1 in 1,528Hardest to pullAscended Heroes #282

Every Mega Diancie ex card

Newest set first. Odds are per pack, for sets we have verified openings for.

Card	Set	Market price	Odds per pack
Mega Diancie ex#282 · Special Illustration Rare	Ascended HeroesJan 30, 2026	$38.59	1 in 1,528
Mega Diancie ex#267 · Mega Attack Rare	Ascended HeroesJan 30, 2026	$5.27	1 in 202
Mega Diancie ex#41 · Double Rare	Phantasmal FlamesNov 14, 2025	$0.53	1 in 48

Side by side

Quick answers

How much is Mega Diancie ex worth?: It depends on the printing. The Ascended Heroes Special Illustration Rare (#282) sells for about $38.59, and the cheapest printing, the Phantasmal Flames Double Rare (#41), for about $0.53 (TCGplayer market prices, Oct 12, 2026).
How many Mega Diancie ex cards are there?: 3 cards: Ascended Heroes #282 (Special Illustration Rare), Ascended Heroes #267 (Mega Attack Rare), and Phantasmal Flames #41 (Double Rare).
Which Mega Diancie ex is the rarest?: Of the printings we have measured odds for, Ascended Heroes #282 (Special Illustration Rare) is the hardest to pull: about 1 in 1,528 packs, assuming every card of its rarity is equally likely.
What set is Mega Diancie ex in?: Ascended Heroes (Jan 30, 2026) and Phantasmal Flames (Nov 14, 2025).

Prices: TCGplayer market price, Oct 12, 2026. Pull odds come from verified pack openings; see each set's page for its sources. Card images are shown for identification.